Electric lamp mount making apparatus



May 8, 1962 H. D. ROWAN ETAL ELECTRIC LAMP MOUNT MAKING APPARATUS 5Sheets-Sheet 1 Filed Sept. 2'5, 1958 l4 y i m n mm /..A.GWM 0 n S h v mwm m n M em w VRW .m t@ h d T H HU b g May 1962 H.'D. ROWAN ETAL3,033,242

ELECTRIC LAMP MOUNT MAKING APPARATUS Filed Sept. 23, 1958 3 Sheets-Sheet2 bgJacg/zgl iaftin,

Theiv A 1: T'TWEH May 8, 1962 H. D; ROWAN ETAL 3,033,242

ELECTRIC LAMP MOUNT MAKING APPARATUS Filed Sept. 23, 1958 5Sheets-SheetS b5 Theh- A t OTTWH.

United States Patent 3,033,242 ELECTRIC LAMP MOUNT MAKING APPARATUSHartley D. Rowan, Chagrin Falls, and Jack M. Coughlin, Mayfield Heights,Ohio, assignors to General Electric Company, a corporation of New YorkFiled Sept. 23, 1958, Ser. No. 762,847 11 Claims. (Cl. 14071.6)

Our invention relates generally to apparatus for making mounts forelectric lamps.

There has recently been developed an electric incandescent lamp mountembodying a so-called vertical or axial filament wherein a coiled-coilfilament is arranged with its axis substantially coincident or parallelto the longitudinal or vertical axis of the mount whereby the filamentis capable of operation at increased efiiciency and life as comparedwith similar filaments arranged horizontally or laterally of the mountaxis. The mount comprises generally a conventional stem tube arranged tobe vertically disposed with a press or seal portion at its lower endfrom which extends axially a glass arbor having a button portion at itslower end. A pair of lead wires extend generally downward from the pressportion along opposite sides of the stem or mount axis and for differentdistances beyond the arbor button with their free 'end portions bentlaterally toward said axis where they are secured to the coiled-coilfilament which extends along said axis between said end portions of theleads. In order to secure the leads against distortion upon shock orvibration, they are br-aced by anchor or tie Wires extending from thebutton on said arbor. One of the anchor wires extends horizontally tothe shorter lead wire and has its end formed into a loop embracing thatlead wire, the other (longer) anchor wire extends downwardly at an acuteangle from the button and terminates in a loop embracing the longer leadwire at a location below the level of the button and at a point morenearly midway of its length whereby to improve the strength of themount. Such a structure is disclosed and claimed in patent applicationSerial No. 568,218 of Paul Jordan, filed February 28, 1956, nowabandoned, and assigned to the same assignee as the present invention.

The assembly of the mount, particularly that portion involvingattachment of the anchor wire to the long lead wire, is complicated bythe lack of space available to accommodate the necessary tools involvedin the formation of the mount and making it rather impracticable toprovide the necessary equipment for curling the angularly extendinganchor wire about the long lead wire. It is therefore an object of ourinvention to provide a unique apparatus for effecting attachment of theanchor wire to the long lead wire.

Generally speaking, we attain the aforesaid object by preliminarilyforming an open hook on the end of the longer anchor wire which extendshorizontally outward from the arbor button a substantial distance beyondthe associated longer lead wire, and we subsequently bend the said leadwire downwardly to bring the said hook into engagement with the leadwire, after which the hook is preferably clamped to close it upon thelead wire. While the other, or shorter, anchor Wire may be similarlyattached to its associated shorter lead wire, we prefer to attach itthereto in a conventional manner by simply curling the end thereof aboutthe lead wire.

Further features and advantages of our invention will appear from thefollowing detailed description of a species thereof and from thedrawings wherein:

FIG. 1 is a fragmentary plan view of a mount making machine showingmechanism at three stations for forming and securing the anchor wires tothe lead wires;

FIGS. 2 to 5 are elevations of a lamp mount showing various stages inthe forming and attachment of the anchor Wires to the lead wires;

FIGS. 6 to 9 are fragmentary plan views of the mount showing it in thevarious stages of completion corresponding to FIGS. 2 to 5,respectively;

FIG. 10 is an elevation, partly in section, along the line 10- 10- inFIG. 1, of anchor wire curling mechanism at station A in FIG. 1;

FIG. 11 is a fragmentary perspective view of the curling mechanism;

FIG. 12 is a horizontal section of a portion of the curling mechanismalong the line 12-12 in FIG. 10, and also showing, in dot-dash lines,the curling dies and a lead wire pusher member;

FIGS. 13 and 14 are rear and side elevations, respectively, of mountreforming mechanism at station B in FIG. 1;

FIG. 15 is a fragmentary perspective view of jaw members comprised inthe re-forming mechanism of FIGS. 13 andn 14;

FIG. 16 is a perspective view of anchor wire hook closing mechanism atstation C in FIG. 1; and

FIG. 17 is a perspective view of the main driving cams for themechanisms A, B and C of FIG. 1.

Referring to FIG. 2 of the drawing, the partially completed mount, as itarrives at station A in FIG. 1, comprises a glass stem tube or flare 1with coaxially arranged exhaust tube 2 and arbor rod 3 sealed andpinched together to form a press portion 4 with an exhaust opening 5therethrough communicating with the exhaust tube 2. A pair of lead wires6 and 7 have portions thereof sealed in said press portion 4 and extendgenerally downward from said press portion along opposite sides of theaxis 8 of said mount and for difierent distances, the end portions 9 and10 thereof being bent to extend substantialiy horizontally toward saidaxis 8 where they are clamped about the end of a coiled (or coiled-coil)filament 11 extending generally along said axis. A pair of anchor or tiewires 12 and 13 extend horizontally from a button 14 at the end of arbor3 at acute angles to the vertical plane including the lead wires 6, 7and mount axis 8, as best seen in FIG. 6. The tie wire 12 is longer thanwire 13 in order that, in the finished mount, it may extend downwardlyat an acute angle to the mount axis 8 as shown in FIGS. 4 and 5.

In accordance with the present invention, the longer anchor wire 12 isattached to the lead wire 6 by preliminarily forming an open hook-15(FIG. 7) at the end thereof. For this purpose, the curling mechanism atstation A also bends the wire 12 from the angular position shown in FIG.6 to a position more nearly parallel to the plane including the stemaxis 8 and the lead wires 6 and 7. At the same time, the shorter anchorwire 13 is also bent toward the said plane and preferably, in accordancewith standard practice, the shorter lead wire 7 is bent forwardly out ofsaid plane While a loop 16 is formed in the end of anchor wire 13completely encircling the said lead wire 7.

In the next step, as illustrated in FIGS. 4 and 8, the longer anchorwire 12 is bent downwardly and slightly inward toward the planeincluding stem axis 8 and lead wire 6, to bring it to the position shownin FIG. 4 with the hook embracing the lead wire 6. At the same time, theshorter lead wire 7 is bent back into the said plane including stem axis8 and lead wire 6, the said lead wire 6 having remained in its initialposition during the aforesaid steps.

As a final step, the hook 15 is preferably clamped or pinched tightly onthe lead wire 6 as illustrated in FIGS. 5 and 9.

During the assembly of the mount, it is carried by a head represented at17 in FIG. 1 and including a pair of jaws 18 (FIG. 2) which clamp theexhaust tube 2 therebetween. The machine comprises a plurality of heads17 mounted on the periphery of a turret (not shown) which indexes theheads in steps to a plurality of stations as is well known in the art,the mount being carried along a circular path of travel 19 with its axis8 and leads 6 and 7 in a plane tangent to said path. The mount isbrought by a head 17 to a Station A (FIG. 1) at which is located theanchor wire curling mechanism which is also shown in FIGS. 10, 11 and12.

The curling mechanism is a modification of that shown in Patent No.2,085,578, John Flaws, Jr. The principal operating parts are carried bya bracket frame 23 that is pivoted about a pin 24 carried by a bracket25 that is fixed to a table 26 (FIG. 1), so that it can be swungcrosswise of the path of travel 19 of the mount in head 17. The bracketframe 23 is biased toward the left in FIG. 10 by springs 28 connected toa fixed support 29, but can be swung to the right by the downward pullof an actuating rod 30 which is slidable vertically in a boss 31 onbracket 25 and is connected by a link 32 at its lower end to one arm ofa lever 33 (FIG. 16) having at its other end a roller 34 controlled bythe track 35 in a face cam 36 on cam shaft 37. The cam shaft 37 issynchronized with the indexing cam shaft (not shown) so as to make onerevolution during each complete indexing cycle of mount holder 17. Therod 30 swings bracket 23 to the right upon engagement of the lowersurface of its yoke head 38 with a washer 39 on a forked portion 40projecting from bracket frame 23. A suitable stop spud 41 is provided tolimit movement of bracket frame 23 to the left.

At the time the mount of FIG. 2 is indexed by head 17 to station A, thebracket frame 23 is in a position swung to the right with the actuatingrod 30 in its lowermost position, and an arm 44 pivoted on bracket 23 at45, is at that time swung to the left about its pivot, being biased inthat direction by a spring 46 connected to the fixed support 29 so as tobe held against a stop stud 47 on said support 29 when bracket 23 swingsto the right. The operating parts or tools at the upper end of bracket23 and arm 44 are thereby held clear of the path of travel of the mountwhen it enters Station A.

Also at this time, the movable jaws 15 of an anchor wire clampcomprising also fixed jaws 51, are held open; and an anchor wire pusherbar 52 is in an advanced position with its forwardly projectingfinger-like ends against upstanding ends of fixed jaws 51. The movablejaws 50 are pivoted on a pin 53 in a portion 54 of bracket 23, and jaws51 are fixed to said bracket portion 54, whereas pusher bar 52 isslidable in ways therein. These relationships of jaws 51 and pusher bar52 are maintained by a link rod 55 (FIG. 10) pivotally connected at oneend to actuating rod 30 and at its other end to a rod 56 slidable in aguide bore in bracket portion 54. With the actuating rod 30 depressed tohold brackets 23, 54 to the right in FIG. 10, the rod 56 is in a loweredposition where at the cross piece 57 thereon bears against the outer armof jaws 50 to hold them open against the action of springs 58, andpusher bar 52 is held in its advanced position by a spring 59 housed ina bore in bar 52 and acting against a projection 60 (FIG. 12) fixed to acover plate 61 secured over the ways for bar 52. The advanced positionof bar 52 is due to the fact that, with the rod 56 depressed, a camportion 62 of said rod 56 is below, and therefore disengaged from, aroller 63 carried by the forked rear end of the bar 52.

As the mount comes to rest at station A, the curling mechanism isactuated upon upward movement of the rod 30 to cause springs 28 to swingthe bracket 23 to the left while the arm 44 swings to the right to theposition shown in FIG. 10. As the arm 44 is swinging to the right, apusher plate 65 supported thereby engages the shorter lead wire 7 andbends it forward about its point of emergence from the stern press 4 tothe position shown in FIG. 10. The lead wire 7 is then engaged by thedivergent side of a guide or wedge plate 67 carried by the bracketportion 54 and terminating in a V notch 69 to receive the lead wirewhich is firmly held therein by the pusher plate 65. Due to the shapeand location of the guide plate 67, the lead wire 7 is also bentslightly to the right as viewed in FIG. 3. A supplementary stop stud 68may be provided on bracket portion 54 to be engaged by arm 44 to preventit from whipping to the right when bracket 23, 54 is stopped byengagement of stud 41 with bracket 25.

Toward the end of the swinging movement of bracket 23 to the left inFIG. 10, the pusher bar 52 engages the anchor wires 12 and 13 and bendsthem from the position shown in dot-dash lines in FIG. 12 (and in fulllines in FIG. 2) to the position shown in full lines (also shown in FIG.3), whereby they lie more nearly in a line and across the upper surfacesof the stationary jaws 51. The anchor wire 13 then also lies across oragainst the lead wire 7, whereas the anchor wire 12 is still spacedsomewhat from the lead wire 6 which has not been displaced as has thelead wire 7.

After the bracket 23 has reached its upright position, with stop stud 41bearing on bracket 25, the actuating rod 30 continues to move upward tocarry link 55 and rod 56 upward, whereby the cross piece 57 on rod 56moves upwardly away from the ends of jaws 50 to permit them to be closedby springs 58 to clamp the anchor wires 12 and 13 against the fixed jaws51. Also, the pusher bar 52 is retracted to the right in FIG. 10 whenthe cam 62 on rod 56 engages the roller 63 on the end of said bar 52,thereby providing room for the subsequent movement of the curling dies20 and 31 (see FIG. 12). It is also to provide clearance for the curlingdies past the arbor button 14 so that the lead 7 and the anchor wires 12and 13 are arranged to extend to one side of a plane through the mountaxis.

With the lead wire 7 firmly clamped in the V notch of guide plate 68 bypusher plate 65, and the anchor wires 12 and 13 firmly clamped by jaws50 and 51, the free ends of the anchor wires are curled by the curlingdies 20 and 21 (FIGS. 1, 11 and 12). The dies are so adjusted that theends of the shorter anchor wire 13 is curled by die 21 into a closedloop 16 (FIG. 7) completely encircling the lead wire 7, whereas the endof the longer anchor wire is curled by die 20 only sufficiently to forman open book 15 lying in a horizontal plane.

The said dies 20 and 21 are mounted on the ends of a dovetail slide 70arranged to slide in ways on bracket portion 54 tangent to the path oftravel 19 of the mount. In themselves, the guides are similar to thosedisclosed in Patents 2,085,578 and 1,907,532 to John Flaws, Jr. Each die20 and 21 has a sloping face with a hollow or groove therein forengaging the end of the anchor wire 12 or 13 as shown in FIG. 11, andprogressively bending or curling it as the die moves forward. Thesloping face terminates in a semi-circular notch 71 adapted to form thewire into a hook or loop. The setting or spacing of the respective dies20 and 21 with respect to the ends of the anchor wires 12 and 13 is suchthat the die 21 forms the wire into a complete loop around the lead 7 asthe notch 71 comes up to the lead, whereas the die 20 comes forwardsufiiciently only to form the wire into an open hook.

For reciprocating the slide 70 in its ways on bracket 54, there is alever with a vertical arm 72 and a lateral arm 73 (FIGS. and 17) pivotedon a stud 74 on bracket portion 54. Its vertical arm 72 is forked toengage around a pivot pin 75 in a clevis on the bottom of slide 70, andits lateral arm 73 is pivoted to the end of a link 76' which is pivotedat its other end to an actuating rod 76 (FIG. 17) connected to one armof a lever 77 carrying a roller 77' on its other arm engaging with atrack 78 in cam 79 on shaft 37. The actuating rod 76 is reciprocated bycam 79 to oscillate lever 72, 73 and reciprocate slide 70, thus bringingfirst one curling die and then the other against the end of itsassociated anchor wire.

During completion of the loop 16 in anchor wire 13, a slight movement ofthe lead 7 is desirable. To permit such movement, the guide blade 67 ismounted on a lug 80' (FIG. 12) projecting from a slide block 80 movablein ways in the bracket portion 54. The slide block 80 is urged outwardby a spring 81 and its normal position is determined by engagement ofits outer end with a stop screw 82 in a bracket portion on the end of acover plate 83 that retains the slide in its Ways. As the die 21approaches the end of its curling movement, a screw 84 (FIG. l1)adjustably secured in the end of the slide 70, engages the aforesaid lug80' on the slide block 80 and displaces it slightly inward againstspring 81, thus deflecting the lead 7 in harmony with the movement ofthe loop 16 as it is formed around the lead wire.

Thereupon, the bracket 23 is swung to the right in FIG. 10 by downwardmovement of actuating rod 30, and arm 44 swings to the left to therebyremove the operating elements at the upper end thereof from engagementwith the mount to permit the mount, now appearing as in FIGS. 3 and 7,to be indexed away from station A to station B. In the initial stages ofdownward movement of rod 30, and before the bracket 23 is pivoted, themovable jaws 50 are opened by engagement therewith of cross piece 57 onrod 60 to thereby release the anchor wires 12 and 13, the pusher 'bar 52also being moved to the left by movement of cam 62 on rod 56 away from(below) roller 63.

At station B the mount is re-formed, as shown in FIGS. 4 and 8. In oneoperation, the longer anchor wire 12 is bent downward at an acute angleand slightly back toward the lead 6 so that the hook portion of theanchor wire enbraces the lead 6 at a point below the arbor button 14.The bending of the anchor wire 12 is effected by a camming or Wedgingfinger or blade 85 (FIGS. 4 and 14) which moves endwise toward the mountfrom the front thereof; an oblique or inclined cam face 86 (FIG. 14) onthe under side of the finger 85 engages the anchor wire 12 and bends ittoward and against the lead wire 6 and downward to the position shown inFIG. 4. During the bending of anchor wire 12, the lead 6 is backed upnear its upper end, by the front edge of a blade 87 which is movedtoward the mount from the back thereof; the lead 6 is also securelyclamped near its lower end between jaw members 88 and 89 to assist inholding it securely in place, as well as to properly align it in case itis for some reason misaligned. As shown in FIG. 15, the jaw 88 comprisesspaced finger portions 90 projecting beyond the face 91 thereof andproviding with a V notches 92 to gather in the lead 6 which is clampedagainst the face 91 by the face of the cooperating jaw 89.

In another operation of the re-forming mechanism at station B, theshorter lead wire 7 is bent back into the vertical plane including thestem axis 8 and the lead wire 6, as shown in FIG. 8. That operation iseffected by cooperating jaws 93 and 94 which are of the same design asjaws 88 and 89, respectively.

In another operation which may be carried out at station B, the filament11 is stretched and set to a desired pitch by bending the lateral endportions 9 and 10 of the leads 6 and 7 in opposite directions as shownin FIG. 4. This operation may be effected by a pair of finger jaws 95which may be operated by mechanism not shown herein but fully describedin application Serial No. 732,957, filed May 5, 1958, by John W. Anthonyet a1.

Referring more particularly to the structure of the reforming mechanismat station B, the backing blade 87 is carried by an arm 96 (FIG. 1)which is attached to a post 97 (FIG. 10) on the upper end of the arm 44Thereby, just after the mount has been indexed into station B, thebacking blade 87 is moved forwardly into operative relation to the mountby the swinging of arm 44 to the right in FIG. 10 about its pivot pin.45.

The camming finger 85 and jaws 88, 89 and 93, 94, on the other hand, aresupported from a bracket 98 (FIGS. 13 and 14) that is fixed to table 26,and are carried by opposed pairs of upright lever arms or jawscomprising a back pair 99-100 and a front pair 101-102. Thearms 99-100constitute, in effect, the upper forked arm of a lever having a lowerarm 103 and pivoted on a pin 104 in bracket 93. The front pair of arms101-102 are independent members also pivoted on pin 104, the arm 102being part of a lever having a lower arm 105, and the arm 101 beingcoupled with arm 102 by a spring 106 extending between arms 10-1 and 99so that arm 101 is held to arm 102 by engagement of a lateral extension108 of arm 101 (FIG. 13) with an adjustable screw stud 107 on a lateralextension 109 on arm 102. The pairs of arms 99-100 and 101-102 arebiased toward each other by said spring 106 and a similar spring 110interconnecting arms 100-102.

The opening and closing of said arms 99-100 and 101-102 is controlled bya wedge cam 111 which is in engagement with rollers 112 and 113 on thelower ends of arms 103 and 105. The cam 111 is carried by a blockportion 114 at the upper end of a vertically reciprocal connecting rod115 which is pivotally connected at its lower end to one arm of a lever116 (FIG. 17 which carries on its other end a roller 117 which rides inthe track 118 of a cam 119 on shaft 37. The block 114 is held in properangular position by a roller 120 thereon engaging in a vertical slot ina wall of bracket 98.

The back lead wire clamping jaws 88 and 93 are carried by the respectiveback arms 99 and 100; the front lead clamping jaws 89 and 94 are carriedby the front arms 101 and 102, respectively; and the camming finger 85is supported from a post 121 carried by a laterally extending boss 122on front arm, 102. During the indexing of the amount into station B, theworking elements thereat are in a retracted position from that shown inFIGS. 13 and 14, the pairs of arms 99-100 and 101-102 being held in anopen position by virtue of the fact that the actuating rod 115 is in araised position so that the high vertical sides 123 of wedge cam 111(FIG. 14) are in engagement with rollers 112 and 113.

In the operation of the mechanism at station B, the first operation tooccur is movement of the backing blade 87 forwardly toward the lead wire6, the motion for this member being derived from the mechanism atstation A by virtue of its being connected through arm 96 to the arm 44(FIG. 10). In the meantime, the actuating rod 115 is moved downward bycam 119 to withdraw the high sides 123 of wedge cam 111 from betweenrollers 112 and 113 to cause the pairs of arms 99-100 and 101-102 tomove toward the closed position shown in FIGS. 13 and 14. During thisclosing movement, the camming finger 85 on arm 102 engages the longeranchor wire 12 to push it back toward the lead wire 6 and to bend itdown to an acuate angle as shown in FIGS. 4 and 13 with the hook 15 onsaid anchor wire embracing the lead wire 6. Also, as the arms 99-400 and101--1tl2 close, the jaws 88-89 and 93 94 engage and firmly clamp thelead wires 6 and 7 therebetween, the lead 7 being thereby bent back toits original position, as shown in FIG. 8, from its angular positionshown in FIGS. 7 and 10. The actuating rod 115 then continues to movedownward and, through an arm 124 (FIG. 14) extending laterally fromblock 114 on said rod 115, causes the spreader fingers 95 (FIG. 4) tospread apart to bend the laterally extending ends 9 and 10 of lead wires6 and 7 and thereby stretch the filament 11, through mechanism not shownherein but fully described in the aforesaid co-pending application ofJohn W. Anthony et 211., Serial No. 732,957, now Patent No. 3,000,407filed May 5, 1958.

The anchor wire 12 is preferably more firmly connected to the lead wire6 by pinching or clamping the hook 15 securely thereabout. Thisoperation is performed at station C by the clamping mechanismillustrated in FIGS. 1 and 16 wherein the hook 15 (see also FIG. 9) isclamped between faces of a pair of stud-like jaws 126. There may also beprovided a second pair of jaws 127 which are so mounted that in theirclosed position they are spaced apart a distance approximately equal tothe diameter of loop 16 in anchor wire 13 and serving to assure correctalignment or position of the lead wire 7 in case it has sprung out ofposition after being released by the jaws 9394 of the mechanism atstation B.

One jaw of each pair of jaws 126 and 127 is mounted on a lateralextension 128 of a forked upper arm portion 129 of a lever having alower arm 130 and pivoted on a pin or shaft 131 in a bracket 132 carriedby a post 133 supported by a flange 134 mounted on table 26. The otherjaw of each pair of jaws 126127 is similarly mounted on a lateralextension 135 of a forked upper arm portion 136 of a lever having alower arm 137 and pivoted on said shaft 131. The lever arms 130 and 137are pivotally connected to the ends of respective lins 138 and 139having their other ends connected to a pivot pin 14 in an arm 141. Thesaid arm 14-1 is pivoted at one end on a pin 142 in a bracket 143 fixedto post 133 and is pivotally connected at its other end to a connectingrod 144 which is actuated through a lever 145 (FIG. 17) by a cam 146having a track 147 engaged by roller 148 on lever 145.

During indexing of a mount into station C, the lever arms 129-136 andtheir jaws 126127 are in a retracted or open position, and during thedwell of the mount at said station the said arms 129-136 are closed bycam 146 to cause the jaws 126 to pinch or clamp the hook 15 on anchorwire 12 while jaws 127 close upon the loop 16 in anchor wire 13.

While we have shown and described in detail a preferred embodiment ofour invention, it will be obvious to those skilled in the art thatvarious modifications, omissions and substitutions may be made withoutdeparting from the spirit and scope of the invention as set forth in theappended claims.

The mount making method disclosed herein is claimed separately in ourapplication Serial No. 54,458, filed September 7, 1960, which is adivision of the present application.

What we claim as new and desire to secure by Letters Patent of theUnited States is:

1. In a mount making machine for a mount comprising a glass stem havingan arbor projecting axially downward from the lower end thereof, atleast one lead wire extending downward from said lower end of the stemand longitudinally of the axis of said stern beyond the free end of saidarbor, and at least one anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally from said stemaxis in a direction generally toward and a distance substantially beyondsaid lead wire, the combination of support means for holding said mount,mechanism for preliminarily forming an open hook in the free end of saidanchor wire comprising a curling member and means mounting said curlingmemher for movement to engage the end of said anchor wire and form ahook therein beyond said lead wire, bending .echanism for subsequentlybending said anchor wire laterally against and downwardly along saidlead wire to extend downwardly at an acute angle to the said stern axiswith said hook embracing said lead wire and including means engageablewith said lead wire to support it at a predetermined position and meansfor moving said last named means into engagement with said lead wire,said bending mechanism further comprising a bending tool and meansmounting said tool for movement to engage said anchor wire and bend itas aforesaid, and means for actuating said mechanism in proper timerelation.

2. In a mount making machine for a mount comprising a glass stem havingan arbor projecting axially downward from the lower end thereof, atleast one lead wire extending downward from said lower end of the stemand longitudinally of the axis of said stem beyond the free end of saidarbor, and at least one anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally from said stemaxis in a direction generally toward and a distance substantially beyondsaid lead wire, the combination of support means for holding said mount,mechanism for preliminarily forming an open hook in the free end of saidanchor wire comprising a curling member and means mounting said curlingmember for movement to engage the end of said anchor wire and form ahook therein beyond said lead Wire, bending mechanism for subsequentlybending said anchor wire laterally against and downwardly along saidlead wire to extend downwardly at an acute angle to the said stem axiswith said hook embracing said lead wire and including means engageablewith said lead wire to support it at a predetermined position and meansfor moving said last named means into engagement with said lead wire,said bending mechanism further comprising a bending tool and meansmounting said tool for movement to engage said anchor wire and bend itas aforesaid, mechanism for thereafter pinching said hook upon said leadwire comprising clamping jaws and means mounting said jaws for movementto engage said hook and pinch it as aforesaid, and means for actuatingsaid mechanisms in proper time relation.

3. In a mount making machine for a mount comprising a glass stem havingan arbor projecting axially downward from the lower end thereof, atleast one lead wire extending downward from said lower end of the stemand longitudinally of the axis of said stem beyond the free end of saidarbor, and at least one anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally from said stemaxis in a direction generally toward and a distance substantially beyondsaid lead wire, the combination of support means for holding said mountand carrying it along a definite path of travel, mechanism adjacent saidpath of travel for preliminarily forming an open hook in the free end ofsaid anchor wire comprising a curling member and means mounting saidcurling member for movement to engage the end of said anchor wire andform a hook therein beyond said lead wire, bending mechanism alsoadjacent said path of travel for bending said anchor wire laterallyagainst and downwardly along said lead wire to extend downwardly at anacute angle to the stem axis with said hook embracing said lead wire andincluding means engageable with said lead wire to support it at apredetermined position and means for moving said last named means intoengagement with said lead wire, said bending mechanism furthercomprising a bending tool and means mounting said tool for movement toengage said anchor wire and bend it as aforesaid, and means foractuating said mechanisms in proper time relation.

4. In a mount making machine for a mount comprising a glass stern havingan arbor projecting axially downward from the lower end thereof, atleast one lead wire extending downward from said lower end of the stemand longitudinally of the axis of said stem beyond the free end of saidarbor, and at least one anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally from said stemaxis in a direction generally toward and a distance substantially beyondsaid lead wire, the combination of support means for holding said mountand carrying it along a definite path of travel, mechanism adjacent saidpath of travel for preliminarily forming an open hook in the free end ofsaid anchor wire comprising a curling member and means mounting saidcurling member for movement to engage the end of said anchor wire andform a hook therein beyond said lead wire, bending mechanism alsoadjacent said path of travel for bending said anchor wire laterallyagainst and downwardly along said lead Wire to extend downwardly at anacute angle to the stem axis with said hook embracing said lead wirecomprising a bending tool and means mounting said tool for movement toengage said anchor wire and bend it as aforesaid, mechanism alsoadjacent said path of travel for pinching said hook upon said lead wireand including means engageable with said lead wire to support it at apredetermined position and means for moving said last named means intoengagement with said lead wire, said bending mechanism furthercomprising clamping jaws and means mounting said jaws for movement toengage said hook and pinch it as aforesaid, and means for actuating saidmechanisms in proper time relation.

5. In a mount making machine for a mount comprising a glass stem havingan arbor projecting axially downward from the lower end thereof, atleast one lead wire extending downward from said lower end of the stemand longitudinally of the axis of said stem beyond the free end of saidarbor, and at least one anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally therefrom in adirection generally toward and a distance substantially beyond said leadwire, the combination of support means for holding said mount andcarrying it along a path of travel to successive stations, curlingmechanism at one of said stations comprising a horizontally disposedcurling die, means mounting said curling die to be located in alignmentwith the anchor wire of a mount carried to said one station by saidsupport means, means for actuating said curling die toward and away fromthe axis of the mount in said support means to engage the end of saidanchor wire, said die being arranged to form an open hook in the end ofsaid anchor wire beyond its associated lead wire, bending mechanism atanother one of said stations including means engageable with said leadwire to support it at a predetermined position and means for moving saidlast named means into engagement with said lead wire, a bending tool andmeans mounting said tool for movement to engage said anchor wire andbend it laterally against and downwardly along said lead wire to extenddownwardly at an acute angle to the stem axis and with said hookembracing the said lead wire, and means for actuating said mechanisms inproper time relation.

6. In a mount making machine as set forth in claim 5, a clampingmechanism at another one of said stations subsequent to the stationoccupied by said bending mechanism and comprising jaw members and meansmounting said jaw members for movement to engage and pinch the said hookupon the lead wire of a mount located at the clamping station.

7. In a mount making machine as set forth in claim 5, said bending toolcomprising a finger member having a camming surface along its bottomedge inclined downwardly from the front end of the finger, and meansmounting said tool for forward movement transversely across and over thesaid anchor Wire to effect the bending of said anchor wire.

8. In a mount making machine for a mount comprising a glass stem havingan arbor projecting axially downward from the lower end thereof, a pairof lead wires extending downward from the lower end of said stem atopposite sides of the axis of said stem and beyond the free end of saidarbor, and a pair of anchor wires each having one end fixed to the saidfree end of the arbor and extending substantially horizontally therefromin 0pposite directions generally toward and across respective leadwires, one of said lead wires being longer than the other to extendsubstantially farther beyond its associated lead Wire, the combinationof support means for holding said mount and carrying it along a path oftravel to successive stations, curling mechanism at one of said stationscomprising horizontally opposed curling dies, means mounting saidcurling dies to be located irr alignment with the respective anchorWires of a mount carried to said one station by said support means,means for actuating said curling dies for alternate movement toward andaway from the axis of the mount in said support means to engagerespective anchor wires and curl the ends thereof, the arrangement ofthe curling dies being such that the die engaging the shorter anchorwire curls it about its associated lead wire whereas the die engagingthe longer anchor wire .forms an open hook in the end thereof beyond itsassociated lead wire, bending mechanism at another one of said stationsincluding means engageable with said longer lead wire to support it at apredetermined position and means for moving said last named means intoengagement with said longer lead wire, a bending tool and means mountingsaid tool for movement to engage said longer anchor wire and bend itlaterally against and downwardly along said longer lead wire to extenddownwardly at an acute angle to the stem axis and with said hookembracing the associated lead wire, and means for actuating saidmechanisms in proper time relation.

9. In a mount making machine as set forth in claim 8, a clampingmechanism at another one of said stations subsequent to the stationoccupied by said bending mechanism and comprising jaw members and meansmounting said jaw members for movement to engage and pinch the said hookupon the associated lead wire of a mount located at the clampingstation.

10. In a mount making machine as set forth in claim 8, said bending toolcomprising a finger member having a camming surface along its bottomedge inclined downwardly from the front end of the finger, and meansmounting said tool for forward movement transversely across and over thesaid longer anchor wire to effect the bending of said anchor wire.

11. In combination with means for supporting a mount comprising a glassstem having an arbor projecting axially downward from the lower endthereof, at least one lead wire extending downward from said lower endof the stem and longitudinally of the axis of the stem beyond the freeend of said arbor, and an anchor wire having one end fixed to said freeend of the arbor and extending substantially horizontally therefrom in adirection generally toward and a distance substantially beyond said leadwire and having an open hook portion at its free end, bending mechanismadjacent said support means comprising a backing member, means mountingsaid backing member for movement into engagement with said lead Wire atan elevation slightly above that of the said anchor wire, a pair of armmembers located to straddle the mount in said support means and mountedfor pivotal movement on a horizontal axis, a bending finger mounted onone of said arms to extend generally horizontally in apposition to andat an elevation slightly below said backing member, said bending fingerhaving a camming surface along its bottom edge inclined downwardly fromthe front end of the finger, opposed jaw members on respective said armmembers arranged to engage the said lead wire adjacent its lower end,and

1 1 12 means for pivoting said arm members from open to References Citedin the file of this patent closed position upon movement of said backingmember UNITED STATES PATENTS into engagement with said lead wire wherebysaid backing member and jaw members serve to support said lead wire g gat a predetermined position and the carnming surface of 5. 1,821,8941931 said bending finger moves transversely across and over 1907533 a1933 said anchor Wire to bend it laterally against and down- 2781796 f z1957 \vardly along said lead wire so as to extend downwardly 28119881957 at an acute angle to the stem axis and with its book por- 2,849,032Rowan et a1 Aug 26 1958 tion embracing the lead wire. 10

